:root{--bg:#1f1f1f;--panel:#2a2a2a;--border:#3a3a3a;--text:#e7e7e7;--muted:#b9b9b9;--accent:#7cc8ff;--ok:#26d07c;--warn:#ffcc66;--err:#ff6b6b}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);font:14px/1.4 -apple-system,Segoe UI,Roboto,Arial,sans-serif}
.header{position:sticky;top:0;background:#161616;border-bottom:1px solid var(--border);padding:10px 16px;z-index:100;display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.header h1{margin:0;font-size:16px;flex:1;min-width:300px}
.header .btn-row{margin-left:auto}
.container{padding:16px}
.grid{display:grid;grid-template-columns:1fr;gap:12px}
.section{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:12px}
.section h3{margin:0 0 10px 0;font-size:15px;text-transform:uppercase}
.row{display:grid;grid-template-columns:240px 1fr 240px 1fr;gap:8px;align-items:center;margin-bottom:8px}
.input-with-status{display:flex;align-items:center;gap:6px;width:100%}
.input-with-status input{flex:1;min-width:0}
.field-status{font-size:16px;opacity:0;transition:opacity 0.3s ease;min-width:20px;text-align:center}
.field-status.show{opacity:1}
label{color:var(--text);font-size:14px;font-weight:500}
input[type=text],input[type=date]{width:100%;background:#1b1b1b;border:1px solid var(--border);border-radius:6px;color:var(--text);padding:8px;font-size:15px}
button{background:#2f4054;border:1px solid #44607a;color:#eaf6ff;border-radius:6px;padding:8px 10px;cursor:pointer;transition:all 0.3s ease}
button:disabled{opacity:.5;cursor:not-allowed}
.btn-row{display:flex;gap:8px;flex-wrap:wrap}
.log{background:#0f0f0f;border:1px solid var(--border);border-radius:8px;padding:10px;height:180px;overflow:auto;font-family:ui-monospace,Menlo,Consolas,monospace}
.small{font-size:12px;color:var(--muted)}
hr.sep{border:none;border-top:1px solid var(--border);margin:8px 0}
footer{padding:10px 16px;border-top:1px solid var(--border);color:var(--muted)}
.badge{display:inline-block;background:#354355;border:1px solid #465a73;color:#dfefff;border-radius:999px;padding:4px 8px;margin-right:6px;font-size:12px}
.section{transition:all 0.2s ease;cursor:default}
.section.drag-over{background:#1f2f3f;border-color:#7cc8ff;box-shadow:0 0 15px rgba(124,200,255,0.2);transform:scale(1.005)}
.dropzone{border:1px dashed transparent;border-radius:8px;padding:6px;margin-bottom:8px}
.dropzone.drag-over{background:#2a4a2a;border-color:#7cc8ff}
.dropzone.dragover{background:#2a4a2a;border-color:#7cc8ff;border-width:2px}
.file-drop-hint{color:var(--muted);font-size:11px;margin-top:2px}
input[readonly]{opacity:1}
input[type="file"]{display:none}
.file-upload-btn{background:#2f4054;border:1px solid #44607a;color:#eaf6ff;border-radius:6px;padding:8px 12px;cursor:pointer;display:inline-block;font-size:14px;transition:all 0.2s ease}
.file-upload-btn:hover{background:#3a5066;border-color:#5a7a9a}
.file-upload-btn:active{transform:scale(0.98)}
.loading-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.7);display:none;align-items:center;justify-content:center;z-index:9999}
.loading-overlay.active{display:flex}
.loading-spinner{text-align:center}
.spinner{border:4px solid rgba(255,255,255,0.1);border-top:4px solid var(--accent);border-radius:50%;width:50px;height:50px;animation:spin 1s linear infinite;margin:0 auto 16px}
@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}
.loading-text{color:var(--text);font-size:16px}